Silli block
| Silli | |
|---|---|
| Community development block | |
| Jonha Falls | |
| Coordinates: 23°21′07″N 85°50′10″E / 23.352°N 85.836°E | |
| Country | India | 
| State | Jharkhand | 
| District | Ranchi | 
| Government | |
| • Type | Federal democracy | 
| Area | |
|  • Total | 289.54 km2 (111.79 sq mi) | 
| Population  (2011) | |
|  • Total | 113,798 | 
| • Density | 390/km2 (1,000/sq mi) | 
| Languages | |
| • Official | Hindi, Urdu | 
| Time zone | UTC+5:30 (IST) | 
| PIN | 835102 | 
| Telephone/STD code | 06522 | 
| Literacy | 73.73% | 
| Lok Sabha constituency | Ranchi | 
| Vidhan Sabha constituency | Silli | 
| Website | ranchi | 
Silli is a CD block that forms an administrative subdistrict in the Ranchi Sadar subdivision of Ranchi district, in the Indian state of Jharkhand.